java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-01cf0bf [2019-08-22 00:08:05,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 00:08:05,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 00:08:05,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 00:08:05,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 00:08:05,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 00:08:05,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 00:08:05,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 00:08:05,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 00:08:05,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 00:08:05,394 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 00:08:05,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 00:08:05,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 00:08:05,400 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 00:08:05,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 00:08:05,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 00:08:05,408 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 00:08:05,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 00:08:05,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 00:08:05,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 00:08:05,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 00:08:05,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 00:08:05,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 00:08:05,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 00:08:05,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 00:08:05,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 00:08:05,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 00:08:05,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 00:08:05,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 00:08:05,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 00:08:05,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 00:08:05,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 00:08:05,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 00:08:05,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 00:08:05,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 00:08:05,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 00:08:05,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 00:08:05,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 00:08:05,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 00:08:05,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 00:08:05,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 00:08:05,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-22 00:08:05,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 00:08:05,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 00:08:05,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 00:08:05,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 00:08:05,474 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 00:08:05,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 00:08:05,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 00:08:05,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 00:08:05,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 00:08:05,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 00:08:05,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 00:08:05,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 00:08:05,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 00:08:05,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 00:08:05,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 00:08:05,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 00:08:05,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 00:08:05,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 00:08:05,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 00:08:05,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 00:08:05,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 00:08:05,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 00:08:05,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 00:08:05,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 00:08:05,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 00:08:05,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 00:08:05,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 00:08:05,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 00:08:05,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 00:08:05,533 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 00:08:05,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 00:08:05,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 00:08:05,559 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 00:08:05,560 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 00:08:05,561 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c [2019-08-22 00:08:05,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bf6c1a8/86927696559940f5af86ee697d9dd074/FLAG86be309d9 [2019-08-22 00:08:06,050 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 00:08:06,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_sendmail_tTflag_arr_one_loop.c [2019-08-22 00:08:06,060 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bf6c1a8/86927696559940f5af86ee697d9dd074/FLAG86be309d9 [2019-08-22 00:08:06,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1bf6c1a8/86927696559940f5af86ee697d9dd074 [2019-08-22 00:08:06,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 00:08:06,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 00:08:06,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 00:08:06,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 00:08:06,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 00:08:06,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c66e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06, skipping insertion in model container [2019-08-22 00:08:06,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,455 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 00:08:06,475 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 00:08:06,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:08:06,654 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 00:08:06,680 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 00:08:06,699 INFO L192 MainTranslator]: Completed translation [2019-08-22 00:08:06,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06 WrapperNode [2019-08-22 00:08:06,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 00:08:06,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 00:08:06,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 00:08:06,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 00:08:06,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,825 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... [2019-08-22 00:08:06,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 00:08:06,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 00:08:06,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 00:08:06,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 00:08:06,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:08:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 00:08:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 00:08:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 00:08:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 00:08:06,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-22 00:08:06,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 00:08:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 00:08:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 00:08:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 00:08:06,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 00:08:07,147 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 00:08:07,148 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-22 00:08:07,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:08:07 BoogieIcfgContainer [2019-08-22 00:08:07,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 00:08:07,157 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 00:08:07,157 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 00:08:07,157 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 00:08:07,161 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:08:07" (1/1) ... [2019-08-22 00:08:07,180 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 00:08:07,182 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 00:08:07,188 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 00:08:07,196 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 00:08:07,197 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 00:08:07,278 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-22 00:08:07,278 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,296 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 00:08:07,296 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,297 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 00:08:07,315 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 17 [2019-08-22 00:08:07,334 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 00:08:07,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 00:08:07,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 00:08:07,414 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-22 00:08:07,415 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,422 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 30 [2019-08-22 00:08:07,423 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,467 INFO L567 ElimStorePlain]: treesize reduction 5, result has 83.3 percent of original size [2019-08-22 00:08:07,468 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,469 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:71, output treesize:30 [2019-08-22 00:08:07,494 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2019-08-22 00:08:07,495 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,518 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 00:08:07,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 00:08:07,519 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31